This is the 11752nd most frequent Polish word.
kontaktowej
"Kontaktowej" is the genitive or dative singular feminine form, or nominative plural form, of "kontaktowy," meaning "contact-related" or "pertaining to contact."
The word "kontaktowej" is used here as an adjective describing "osoby," meaning "person," to indicate affiliation.
Znajdź adres e-mail osoby kontaktowej.
Find the email address of the contact person.
The word "kontaktowej" is an adjectival form describing "soczewki," meaning "lenses," referring to lenses that are in direct contact with the eye.
Muszę kupić płyn do soczewek kontaktowych.
I need to buy solution for contact lenses.
Here, "kontaktowej" describes "komunikacji," meaning "communication," emphasizing the direct and inter-personal nature of communication.